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| author | Joseph Myers <joseph@codesourcery.com> | 2012-07-05 11:02:13 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2012-07-05 11:02:13 +0000 |
| commit | cdfe2c5eb3703ed964cbfdb6906b21ace2956385 (patch) | |
| tree | c9e8f3452c8450524666f1287f5d8e0fc72a2875 /sysdeps | |
| parent | 704bc4594dc1fad46831823627749fa10924b41d (diff) | |
| download | glibc-cdfe2c5eb3703ed964cbfdb6906b21ace2956385.zip glibc-cdfe2c5eb3703ed964cbfdb6906b21ace2956385.tar.gz glibc-cdfe2c5eb3703ed964cbfdb6906b21ace2956385.tar.bz2 | |
Fix csqrt underflow (bugs 14157, 14331).
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/i386/fpu/libm-test-ulps | 28 | ||||
| -rw-r--r-- | sysdeps/x86_64/fpu/libm-test-ulps | 30 |
2 files changed, 58 insertions, 0 deletions
diff --git a/sysdeps/i386/fpu/libm-test-ulps b/sysdeps/i386/fpu/libm-test-ulps index 6f41f02..9724919 100644 --- a/sysdeps/i386/fpu/libm-test-ulps +++ b/sysdeps/i386/fpu/libm-test-ulps @@ -1374,6 +1374,30 @@ float: 1 ifloat: 1 # csqrt +Test "Real part of: csqrt (-0x1.0000000000000002p-16382 - 0x1.0000000000000002p-16382 i) == 8.344545284118961664300307045791497724440e-2467 - 2.014551439675644900131815801350165472778e-2466 i": +ildouble: 1 +ldouble: 1 +Test "Imaginary part of: csqrt (-0x1.0000000000000002p-16382 - 0x1.0000000000000002p-16382 i) == 8.344545284118961664300307045791497724440e-2467 - 2.014551439675644900131815801350165472778e-2466 i": +ildouble: 1 +ldouble: 1 +Test "Real part of: csqrt (-0x1.0000000000001p-1022 - 0x1.0000000000001p-1022 i) == 6.788430486774966350907249113759995429568e-155 - 1.638872094839911521020410942677082920935e-154 i": +ildouble: 1 +ldouble: 1 +Test "Real part of: csqrt (-0x1.000002p-126 - 0x1.000002p-126 i) == 4.934094449071842328766868579214125217132e-20 - 1.191195773697904627170323731331667740087e-19 i": +ildouble: 1 +ldouble: 1 +Test "Real part of: csqrt (0x1.0000000000000002p-16382 + 0x1.0000000000000002p-16382 i) == 2.014551439675644900131815801350165472778e-2466 + 8.344545284118961664300307045791497724440e-2467 i": +ildouble: 1 +ldouble: 1 +Test "Imaginary part of: csqrt (0x1.0000000000000002p-16382 + 0x1.0000000000000002p-16382 i) == 2.014551439675644900131815801350165472778e-2466 + 8.344545284118961664300307045791497724440e-2467 i": +ildouble: 1 +ldouble: 1 +Test "Imaginary part of: csqrt (0x1.0000000000001p-1022 + 0x1.0000000000001p-1022 i) == 1.638872094839911521020410942677082920935e-154 + 6.788430486774966350907249113759995429568e-155 i": +ildouble: 1 +ldouble: 1 +Test "Imaginary part of: csqrt (0x1.000002p-126 + 0x1.000002p-126 i) == 1.191195773697904627170323731331667740087e-19 + 4.934094449071842328766868579214125217132e-20 i": +ildouble: 1 +ldouble: 1 Test "Imaginary part of: csqrt (0x1.fffffffffffffp+1023 + 0x1p+1023 i) == 1.379778091031440685006200821918878702861e+154 + 3.257214233483129514781233066898042490248e+153 i": ildouble: 1 ldouble: 1 @@ -3032,6 +3056,10 @@ ifloat: 1 ildouble: 2 ldouble: 2 +Function: Real part of "csqrt": +ildouble: 1 +ldouble: 1 + Function: Imaginary part of "csqrt": ildouble: 1 ldouble: 1 diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps index 765c7a0..b64e52d 100644 --- a/sysdeps/x86_64/fpu/libm-test-ulps +++ b/sysdeps/x86_64/fpu/libm-test-ulps @@ -1222,12 +1222,40 @@ float: 1 ifloat: 1 # csqrt +Test "Real part of: csqrt (-0x1.0000000000000002p-16382 - 0x1.0000000000000002p-16382 i) == 8.344545284118961664300307045791497724440e-2467 - 2.014551439675644900131815801350165472778e-2466 i": +ildouble: 1 +ldouble: 1 +Test "Imaginary part of: csqrt (-0x1.0000000000000002p-16382 - 0x1.0000000000000002p-16382 i) == 8.344545284118961664300307045791497724440e-2467 - 2.014551439675644900131815801350165472778e-2466 i": +ildouble: 1 +ldouble: 1 +Test "Real part of: csqrt (-0x1.0000000000001p-1022 - 0x1.0000000000001p-1022 i) == 6.788430486774966350907249113759995429568e-155 - 1.638872094839911521020410942677082920935e-154 i": +ildouble: 1 +ldouble: 1 +Test "Real part of: csqrt (-0x1.000002p-126 - 0x1.000002p-126 i) == 4.934094449071842328766868579214125217132e-20 - 1.191195773697904627170323731331667740087e-19 i": +double: 1 +idouble: 1 +ildouble: 1 +ldouble: 1 Test "Real part of: csqrt (-2 + 3 i) == 0.89597747612983812471573375529004348 + 1.6741492280355400404480393008490519 i": float: 1 ifloat: 1 Test "Real part of: csqrt (-2 - 3 i) == 0.89597747612983812471573375529004348 - 1.6741492280355400404480393008490519 i": float: 1 ifloat: 1 +Test "Real part of: csqrt (0x1.0000000000000002p-16382 + 0x1.0000000000000002p-16382 i) == 2.014551439675644900131815801350165472778e-2466 + 8.344545284118961664300307045791497724440e-2467 i": +ildouble: 1 +ldouble: 1 +Test "Imaginary part of: csqrt (0x1.0000000000000002p-16382 + 0x1.0000000000000002p-16382 i) == 2.014551439675644900131815801350165472778e-2466 + 8.344545284118961664300307045791497724440e-2467 i": +ildouble: 1 +ldouble: 1 +Test "Imaginary part of: csqrt (0x1.0000000000001p-1022 + 0x1.0000000000001p-1022 i) == 1.638872094839911521020410942677082920935e-154 + 6.788430486774966350907249113759995429568e-155 i": +ildouble: 1 +ldouble: 1 +Test "Imaginary part of: csqrt (0x1.000002p-126 + 0x1.000002p-126 i) == 1.191195773697904627170323731331667740087e-19 + 4.934094449071842328766868579214125217132e-20 i": +double: 1 +idouble: 1 +ildouble: 1 +ldouble: 1 Test "Imaginary part of: csqrt (0x1.fffffep+127 + 1.0 i) == 1.844674352395372953599975585936590505260e+19 + 2.710505511993121390769065968615872097053e-20 i": float: 1 ifloat: 1 @@ -2818,6 +2846,8 @@ double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Function: Imaginary part of "csqrt": double: 1 |